AutoCodes – RAM – B16B0 RAM

B16B0 RAM Code - Left Stop Lamp Control Circuit Low

Quick Answer

The Body Control Module (BCM) receives a hardwired brake signal from the Anti-lock Brake System (ABS) module indicating that the Brake Pedal is applied. Common causes include Faulty Left Stop Lamp, Left Stop Lamp harness is open or shorted, Left Stop Lamp circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B16B0 RAM indicates Left Stop Lamp Control Circuit Low.
Common causes: Common causes include Faulty Left Stop Lamp, Left Stop Lamp harness is open or shorted, Left Stop Lamp circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 574

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 19, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B16B0 RAM Description

The Body Control Module (BCM) receives a hardwired brake signal from the Anti-lock Brake System (ABS) module indicating that the Brake Pedal is applied. When this signal is received, the BCM provides a voltage output through the rear stop signal control circuit. For additional information on the Brake Lamp operation. When the Body Control Module (BCM) detects a low or high condition on the Left Stop Lamp Driver circuit and sets the Diagnostic Trouble Code (DTC).

OBDII Code B16B0 RAM - Left Stop Lamp Control Circuit Low - AutoCodes.com — B16B0 RAM Code - Left Stop Lamp Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC B16B0 RAM?

Faulty Left Stop Lamp
Left Stop Lamp harness is open or shorted
Left Stop Lamp circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B16B0 RAM?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B16B0 RAM code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B16B0 RAM Code

1. What are the common symptoms of OBDII code B16B0 RAM titled Left Stop Lamp Control Circuit Low?

- The common symptoms include a malfunctioning left stop lamp, illuminated brake warning light on the dashboard, and potential issues with the vehicle's brake lights.

2. What are the possible causes of the OBDII code B16B0 RAM?

- The code B16B0 RAM can be caused by a faulty left stop lamp bulb, a damaged wiring harness, a defective stop lamp switch, or a problem with the body control module.

3. How can I diagnose the OBDII code B16B0 RAM related to the left stop lamp control circuit?

- You can start by visually inspecting the left stop lamp and its wiring for any visible damage. Using a multimeter, check for continuity in the wiring and test the stop lamp switch for proper operation.

4. What are some repair tips for resolving the OBDII code B16B0 RAM?

- Begin by replacing the left stop lamp bulb if it is found to be faulty. Inspect and repair any damaged wiring in the left stop lamp circuit. Consider checking and replacing the stop lamp switch if necessary.

5. Can the OBDII code B16B0 RAM cause any safety concerns?

- Yes, this code can pose a safety risk as it may result in the left stop lamp not functioning properly, reducing visibility for other drivers and potentially increasing the risk of rear-end collisions.

6. How urgent is it to address the OBDII code B16B0 RAM?

- It is recommended to address this code promptly to ensure the proper functioning of the left stop lamp and maintain optimal safety while driving.

7. Is it possible to reset the OBDII code B16B0 RAM without fixing the underlying issue?

- While clearing the error code may temporarily turn off the warning light, the issue causing the code will persist until properly diagnosed and repaired.

8. Can a DIY enthusiast fix the OBDII code B16B0 RAM on their own?

- Depending on their skill level and access to tools, DIY enthusiasts may be able to address this code by following repair guides and utilizing basic automotive troubleshooting techniques.

9. How much does it typically cost to fix the OBDII code B16B0 RAM at a repair shop?

- The cost of fixing this code can vary based on the specific cause of the issue, but it may involve expenses for parts replacement, labor, and diagnostic fees.

10. Are there any preventive measures to avoid encountering the OBDII code B16B0 RAM in the future?

- Regularly inspecting the vehicle's lighting system, replacing bulbs as needed, and ensuring proper maintenance can help prevent issues like the B16B0 RAM code from occurring.